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liberstina [14]
3 years ago
6

Choose the best estimate for the length of a paperback book.

Mathematics
2 answers:
Sphinxa [80]3 years ago
5 0

Answer:

I think its 14. If not, check other options. Bye!

Step-by-step explanation:

kobusy [5.1K]3 years ago
3 0

I’m thinking it’s B! Sorry if I’m wrong! :)

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Refer to the table below if needed.
elena-14-01-66 [18.8K]

A quadrant is the area that is divided into the x and y axes

The quadrants in which tan \theta and cot \theta are positive are I and III

<h3>How to determine the quadrants</h3>

The tangent of an angle is calculated as:

\tan(\theta) = \frac{sin(\theta)}{\cos(\theta)}

While the cotangent of the angle is calculated as:

\cot(\theta) = \frac{cos(\theta)}{\sin(\theta)}

The above equations mean that:

For the tangent and cotangent of an angle to be positive, then the sine and the cosine of the angle must have the same sign.

  • In the first quadrant, the sine and the cosine angles are positive.
  • In the third quadrant, the sine and the cosine angles are negative.

Hence, the quadrants in which tan \theta and cot \theta are positive are I and III

Read more about trigonometry ratios at:

brainly.com/question/8120556

7 0
2 years ago
Need help with homework please
torisob [31]

4. (9x^2 + 13x) + (4x^2 - 8x)

(9x^2 + 13x)

9x^2 = 81 x + 13 x = 94x

(4x^2 - 8x)

4x^2 = 16x - 8x = 8x

94x + 8x = 102x

The answer is 102x



5. (x^2 + 4x + 6) + (x^2 + 8x + 3)

(x^2 + 4x + 6)

4x + 6 = 10x

10x + x^2 = 10x^2

(x^2 + 8x + 3)

8x + 3 = 11x

x^2 + 11x = 11x^2

The answer i 11x^2




6. (-3x^2 + 2x - 8) + (x^2 + 4x)

(-3^2 + 2x + 8)

-3^2 = 9

2x + 8 = 10x

10x + 9 = 19x

(x^2 + 4x)

x^2 + 4x = 4x^2

19x + 4x^2 = 23x^2

The answer is 23x^2.


7 0
3 years ago
A function f(x) is graphed.
morpeh [17]

Answer:

B, C, C

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
angles X and Y are supplementary and the mesure of angle X is 24 degrees greater than the measure of angle Y. Find the measures
BartSMP [9]

Measures of angles are X = 102° and Y = 78°

Step-by-step explanation:

  • Step 1: Let ∠X = 24 + Y. As they are supplementary angles, ∠X + ∠Y = 180°

⇒ 24 + Y + Y = 180

⇒ 2Y = 180 - 24 = 156

⇒ Y = 156/2 = 78°

  • Step 2: Find measure of X

⇒ X = 24 + Y = 24 + 78 = 102°

4 0
3 years ago
Can anyone help me<br> please
denis23 [38]
Im pretty sure that it is D or the last one. If you're equally sharing something, you would have to divide it.
6 0
2 years ago
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